Queensland’s Diesel Maintenance & Servicing Specialists
With over 20 years of local experience across our three Queensland locations, we offer a full range of services, focusing on diagnostics, electrical, fleet servicing and diesel maintenance.
CQ Diesel Fitting services mobile equipment and fixed plant for the mining, construction, transport and process industries. Our maintenance team consists of highly qualified staff with the knowledge needed to service your equipment.
Your operation’s future is in our capable hands.
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About CQ Diesel Fitting
Our skilled and diverse team works with customers across a range of industries including mining, construction, government, process industries, and road and fuel transport throughout Queensland, Australia.
We are specialists in fleet servicing and repairs, from 4x4s to light and heavy commercial vehicles and trailers. Our team of knowledgeable, trade-qualified diesel fitters know how to do the job right, every time. We can cater for your light and heavy vehicle roadworthy certification, crane certification and Pass-2-Load Certification.
CQ Diesel Fitting offer a 24/7 breakdown service with our qualified personnel in fully-equipped, mine-compliant service vehicles ensuring the backup you deserve.
Our company has been servicing Queensland for 20 years. We are employers of more than 70 professional technicians across Gladstone, Mackay, and Brisbane, providing permanent positions for local communities.
Why choose CQ Diesel Fitting?

24/7 Support
Need something after hours? Our team of friendly support personnel can help you at any time you need.

KNOWLEDGEABLE DIESEL FITTERS
Our trade-qualified personnel have all relevant tickets, qualifications, training, inductions and site medicals. We have the knowledge and experience to complete a wide range of jobs.

EXTENSIVE INVENTORY FOR CONVENIENCE
We keep large parts in stock, enabling an extensive after hours service that's hard to match.

YOUR COMPLETE SOLUTION
Our experienced diesel fitters provide a full range of diesel fitting services, and are able to help with all your needs.

FLEET OF FIELD SERVICE VEHICLES
We’re mobile! Our fleet of field service vehicles are equipped to assist with any issues at your workplace or on site.

QUEENSLAND OWNED & OPERATED
We are fully owned and operated by people who live and work in the communities of Gladstone, Mackay and Brisbane, Queensland.

WARRANTY ON WORKMANSHIP
Our work is guaranteed. We provide a warranty on all of our workmanship, matching the OEM's warranty stipulations.

COMPETITIVE PRICING
We are fully owned and operated by people who live and work in the communities of Gladstone, Mackay and Brisbane, Queensland.

DELIVERED ON TIME, EVERY TIME
We have the capabilities and experience to ensure each work scope is completed in a timely manner.

APPROVED INSPECTION STATION
We are fully owned and operated by people who live and work in the communities of Gladstone, Mackay and Brisbane, Queensland.

OVER 20 YEARS EXPERIENCE
With over two decades of experience, we understand how the mining, construction, transport and process industries work.
PARTNERING WITH TRUSTED BRANDS
To be the best you need to have brands you can trust. With our range of partnerships across a wide variety of brands and services, you can be assured of the highest quality parts and fittings for your valuable plant and equipment.








WE’RE TOTALLY HAPPY WITH CQ DIESEL’S SERVICE
We’ve worked with lots of diesel fitting companies over the years, and the boys at CQ Diesel are some of the most competent and friendly people we’ve had the pleasure of dealing with.

We’re totally happy with CQ Diesel’s service
We’ve worked with lots of diesel fitting companies over the years, and the boys at CQ Diesel are some of the most competent and friendly people we’ve had the pleasure of dealing with.

Your complete diesel maintenance & servicing experts.
If you are looking for a complete solution for diesel fitting, maintenance and servicing we’ve got you covered. We specialise in working with clients in the mining, construction, transport and process industries. Our experienced staff have the training, qualifications and knowledge needed to provide assistance with a wide range of jobs. Whether you require a diesel fitter for a single piece of equipment or full fleet servicing, CQ Diesel Fitting can lend a helping hand. Contact us today!`